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NTIS

06/23/1988

Collation

45p

Abstract

A version of the Stanford Watershed Model was applied to two watersheds in the South Carolina Piedmont. One watershed was 0.877 square miles and the other 44.0 square miles in area. In the case of the smaller watershed detailed attention was given to the influence of various model parameters on stream flow for specific time intervals (annual, monthly, daily, and individual storms). Different parameters have distinctly different influences in this regard. Very good prediction of annual streamflow and reasonably good prediction of monthly streamflow were attained. Storm hydrographs were simulated less accurately. Peak flow rates were particularly poorly matched on the smaller watershed, although the times of occurrence of hydrograph peaks were accurately simulated. However, high flow frequency curves for simulated and recorded flows were in acceptable agreement. (Author)